Sr. Principal System Administrator

Date Posted:
2025-07-09
Country:
United States of America
Location:
TX190: 2501 West University, McKinney 2501 West University , McKinney, TX, 75070 USA
Position Role Type:
Onsite
U.S. Citizen, U.S. Person, or Immigration Status Requirements:
Active and transferable U.S. government issued security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance
Security Clearance:
DoD Clearance: Secret

At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to help our nation and allies defend freedoms and deter aggression. We bring the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today's mission and stay ahead of tomorrow's threat. Our team solves tough, meaningful problems that create a safer, more secure world.

What You Will Do:

• Providing leadership to support a varied range of administrative tasking, to include corrective/preventive maintenance, recurring operations functions, account management, and system optimization.
• Supervising administrators whose duties may include setting up administrator and service accounts, maintaining system documentation, tuning system performance, installing system wide software and allocating mass storage space.
• Developing and monitoring policies, standards, processes, and goals for direct reports
• Coordinating system administrative support for training development/evaluations and operations and sustainment plans
• Participating in Change Request reviews, to include participating in Change Management boards at multiple program levels.
• Coordinating technical and process document reviews and resolving system administration, engineering, and integration issues
• Participating and leading technical meetings with team members and other program personnel, and representing the organization in functional area matters.
• Provide IT systems administration in a heterogeneous Microsoft Windows and Redhat Enterprise Linux environment.
• Must be able to obtain Department of Defense Directive (DoDD) 8140 / 8570 Certification requirements (CompTIA Security+ CE or equivalent certification) within 6 months of start date.
• Full time 100% Onsite position.

Qualifications You Must Have:

• Typically requires a University degree or equivalent experience and a minimum of 8 years of prior relevant experience or an Advanced Degree in a related field and a minimum of 5 years experience.
• Active and transferable U.S. government issued Secret security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.
• Must have Windows and Linux experience.
• 8+ years of experience with some but not limited to, the following technologies: Active Directory, WSUS, VMware, Veeam, AWS, MySQL, Remote Desktop Gateway, and prior systems administration and networking administration experience, Windows or Linux administration, Windows administration, or Mac OS experience, backup, and recovery enterprise suites.
• Must have experience in mentoring others or lead experience.

Qualifications We Prefer:

• Excellent written and oral communication skills, including presentation skills.
• Organizational skills to include attention to detail, time management and ability to multitask.
• An active DoD TS/SCI with Polygraph clearance or prior SCI/program eligibility
• Department of Defense Directive (DoDD) 8140 / 8570 Certification requirements (CompTIA Security+ CE or equivalent certification and an Operating System Certification
• Direct working experience with NISPOM, JAFAN, JSIG, DFARS and/or DoD/RMF
• An active DoD Top Secret clearance with investigation date completed within the past 6 years.
• Direct working experience with NISPOM, JAFAN, JSIG, and/or DoD/RMF guidelines
• Experience with handling and working with classified information.
• Knowledge of Storage Area Network (SAN) and Network Attached Storage (NAS) systems.
• Knowledge of virtual host solutions (e.g., VMware)
• Experience with requirements gathering, planning, and managing deployment, installation, maintenance and upgrade efforts, over multiple geographic sites.
• Experience leading geographically dispersed teams.
• Industry certifications including but not limited to: Security +, CISSP, ITIL, ISC2, PMP etc.
• 2 years demonstrated experience leading a team.
• Experience supporting engineers in software, simulations, and hardware development.
• Experience with Microsoft WSUS, SCCM, and/or Exchange
• High Performance Computing (HPC) experience in a Linux environment
• Scripting Experience
• Department of Defense Directive (DoDD) 8140 / 8570 Certification requirements (CompTIA Security+ CE or equivalent certification and an Operating System Certification)
• Experience with NISPOM, JAFAN, JSIG, DFARS and/or DoD/RMF
• Experience with data storage, NAS, and SAN technologies and solutions
• Experience with using Information Technology project lifecycle management processes.
• Experience using VMWare vCenter, vSphere, and ESX and/or other virtual computing methods.
• development.
• Experience with Microsoft WSUS, MECM, and/or Exchange
• High Performance Computing (HPC) experience in a Linux environment
• Scripting Experience

What We Offer:

Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Trust, Respect, Accountability, Collaboration, and Innovation.

Learn More & Apply Now!

The salary range for this role is 101,000 USD - 203,000 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate's work experience, location, education/training, and key skills.

Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement.

Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company's performance.

This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply.

RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window.

RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans' Readjustment Assistance Act.

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